OpenTechnical

OT-2026-000016236

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000016236) never changes.

Identity and time

Publication numberOT-2026-000016236 · never reused
Internal UUID01a0ae6e-2d11-77f3-a7fd-9492937f8371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016236
StatusPUBLIC

Content hashes

Canonical text2bda59dbb0c95577300a3d7cbae768de2f5e513bee709b03c04735de241be7f9
Markdown806885d08329f99e11085ea72fd456ac9d7df7c85d912f28256c20d8c6786bc5
PDF
Publication pageab370a17dfe5135f1b14d44f965348ca9aad10d8eb2d92fcf460b6bfcf1cbdab
Manifest12adea79c8f906bcde4a48a28f75101d61581514e454413620b2b31fcc7b3292

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureEkyUQ9K/Q+QvZHoertKQHDpUpDWQYfFMskXHXQyHn0xBV+KsrFmKH38iYYrgZm+RqNEsQIaz9W43sb06oon6Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:42.230762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016236
observed ab370a17dfe5135f1b14d44f965348ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.211721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016236/manifest.json
observed 12adea79c8f906bcde4a48a28f75101d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.193189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016236/publication.md
observed 806885d08329f99e11085ea72fd456ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.175365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016236/publication.txt
observed 2bda59dbb0c95577300a3d7cbae768de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.